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Finding the Fourth Proportional to 8,339.56, 12,523.65 and 7,404.62

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Solution

The fourth proportional to 8,339.56, 12,523.65 and 7,404.62 is: 11,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.56 : 12,523.65 = 7,404.62 : x
  2. Step 2: Convert to fraction form
    8,339.56/12,523.65 = 7,404.62/x
  3. Step 3: Cross multiply
    8,339.56x = 12,523.65 × 7,404.62
  4. Step 4: Simplify right side
    8,339.56x = 92,732,778.88
  5. Step 5: Solve for x
    x = 92,732,778.88/8,339.56
  6. Step 6: Final answer
    x = 11,119.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.